Home / 55,392.89-76,442.27-30,242.39

Finding the Fourth Proportional to 55,392.89, 76,442.27 and 30,242.39

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Solution

The fourth proportional to 55,392.89, 76,442.27 and 30,242.39 is: 41,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392.89 : 76,442.27 = 30,242.39 : x
  2. Step 2: Convert to fraction form
    55,392.89/76,442.27 = 30,242.39/x
  3. Step 3: Cross multiply
    55,392.89x = 76,442.27 × 30,242.39
  4. Step 4: Simplify right side
    55,392.89x = 2,311,796,408.40
  5. Step 5: Solve for x
    x = 2,311,796,408.40/55,392.89
  6. Step 6: Final answer
    x = 41,734.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.